Finding the Fourth Proportional to 1,381,522.61, 2,062,570.10 and 1,055,605.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,381,522.61 : 2,062,570.10 = 1,055,605.00 : x
2. Step 2: Convert to fraction form
   1,381,522.61/2,062,570.10 = 1,055,605.00/x
3. Step 3: Cross multiply
   1,381,522.61x = 2,062,570.10 × 1,055,605.00
4. Step 4: Simplify right side
   1,381,522.61x = 2,177,259,306,005.03
5. Step 5: Solve for x
   x = 2,177,259,306,005.03/1,381,522.61
6. Step 6: Final answer
   x = 1,575,985.28